Visual alarm for alarm unit



FIG. 1 is a perspective view of a visual alarm for an alarm unit in accordance with the present invention;

FIG. 2 is front side view thereof;

FIG. 3 is right side view thereof;

FIG. 4 is left side view thereof;

FIG. 5 is rear side view thereof;

FIG. 6 is bottom view thereof; and,

FIG. 7 is top view thereof.

The features shown in broken lines in the various Figures are for illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a visual alarm for alarm unit, as shown and described. 